Method and apparatus for performing speculative decision feedback equalization
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United States of America Patent
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Apr 8, 2014
Grant Date -
Apr 25, 2013
app pub date -
Oct 21, 2011
filing date -
Oct 21, 2011
priority date (Note) -
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Abstract
A method for equalizing a received signal is provided. The signal is filtered and transmitted over a channel using an encoding scheme, where the encoding scheme has transmit symbols. This transmitted signal is then shaped such that the filtering and equalization adjust a set of taps in an equalization window so that the taps from the set are substantially equal to one another. Inter-symbol interference is then compensated for in the equalized signal using a speculative DFE with significantly reduced comparator levels.
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